var es5Shim$1 = {exports: {}};

/*!
 * https://github.com/es-shims/es5-shim
 * @license es5-shim Copyright 2009-2020 by contributors, MIT License
 * see https://github.com/es-shims/es5-shim/blob/master/LICENSE
 */
var es5Shim = es5Shim$1.exports;

var hasRequiredEs5Shim;

function requireEs5Shim () {
	if (hasRequiredEs5Shim) return es5Shim$1.exports;
	hasRequiredEs5Shim = 1;
	(function (module, exports$1) {

		// UMD (Universal Module Definition)
		// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js
		(function (root, factory) {

		    /* global define */
		    {
		        // Node. Does not work with strict CommonJS, but
		        // only CommonJS-like enviroments that support module.exports,
		        // like Node.
		        module.exports = factory();
		    }
		}(es5Shim, function () {
		    /**
		     * Brings an environment as close to ECMAScript 5 compliance
		     * as is possible with the facilities of erstwhile engines.
		     *
		     * Annotated ES5: https://es5.github.io/ (specific links below)
		     * ES5 Spec: https://www.ecma-international.org/wp-content/uploads/ECMA-262_5.1_edition_june_2011.pdf
		     * Required reading: https://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/
		     */

		    // Shortcut to an often accessed properties, in order to avoid multiple
		    // dereference that costs universally. This also holds a reference to known-good
		    // functions.
		    var $Array = Array;
		    var ArrayPrototype = $Array.prototype;
		    var $Object = Object;
		    var ObjectPrototype = $Object.prototype;
		    var $Function = Function;
		    var FunctionPrototype = $Function.prototype;
		    var $String = String;
		    var StringPrototype = $String.prototype;
		    var $Number = Number;
		    var NumberPrototype = $Number.prototype;
		    var array_slice = ArrayPrototype.slice;
		    var array_splice = ArrayPrototype.splice;
		    var array_push = ArrayPrototype.push;
		    var array_unshift = ArrayPrototype.unshift;
		    var array_concat = ArrayPrototype.concat;
		    var array_join = ArrayPrototype.join;
		    var call = FunctionPrototype.call;
		    var apply = FunctionPrototype.apply;
		    var max = Math.max;
		    var min = Math.min;
		    var floor = Math.floor;
		    var abs = Math.abs;
		    var pow = Math.pow;
		    var round = Math.round;
		    var log = Math.log;
		    var LOG10E = Math.LOG10E;
		    var log10 = Math.log10 || function log10(value) {
		        return log(value) * LOG10E;
		    };

		    // Having a toString local variable name breaks in Opera so use to_string.
		    var to_string = ObjectPrototype.toString;

		    /* eslint-disable one-var-declaration-per-line, no-redeclare, max-statements-per-line */
		    var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
		    var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, constructorRegex = /^\s*class /, isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = fnToStr.call(value); var singleStripped = fnStr.replace(/\/\/.*\n/g, ''); var multiStripped = singleStripped.replace(/\/\*[.\s\S]*\*\//g, ''); var spaceStripped = multiStripped.replace(/\n/mg, ' ').replace(/ {2}/g, ' '); return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]', isCallable = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; };

		    var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; };
		    var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; };
		    /* eslint-enable one-var-declaration-per-line, no-redeclare, max-statements-per-line */

		    /* inlined from https://npmjs.com/define-properties */
		    var supportsDescriptors = $Object.defineProperty && (function () {
		        try {
		            var obj = {};
		            $Object.defineProperty(obj, 'x', { enumerable: false, value: obj });
		            // eslint-disable-next-line no-unreachable-loop, max-statements-per-line
		            for (var _ in obj) { return false; } // jscs:ignore disallowUnusedVariables
		            return obj.x === obj;
		        } catch (e) { /* this is ES3 */
		            return false;
		        }
		    }());
		    var defineProperties = (function (has) {
		        // Define configurable, writable, and non-enumerable props
		        // if they don't exist.
		        var defineProperty;
		        if (supportsDescriptors) {
		            defineProperty = function (object, name, method, forceAssign) {
		                if (!forceAssign && (name in object)) {
		                    return;
		                }
		                $Object.defineProperty(object, name, {
		                    configurable: true,
		                    enumerable: false,
		                    writable: true,
		                    value: method
		                });
		            };
		        } else {
		            defineProperty = function (object, name, method, forceAssign) {
		                if (!forceAssign && (name in object)) {
		                    return;
		                }
		                object[name] = method; // eslint-disable-line no-param-reassign
		            };
		        }
		        return function defineProperties(object, map, forceAssign) {
		            for (var name in map) {
		                if (has.call(map, name)) {
		                    defineProperty(object, name, map[name], forceAssign);
		                }
		            }
		        };
		    }(ObjectPrototype.hasOwnProperty));

		    // this is needed in Chrome 15 (probably earlier) - 36
		    // https://bugs.chromium.org/p/v8/issues/detail?id=3334
		    if ($Object.defineProperty && supportsDescriptors) {
		        var F = function () {};
		        var toStringSentinel = {};
		        var sentinel = { toString: toStringSentinel };
		        $Object.defineProperty(F, 'prototype', { value: sentinel, writable: false });
		        if ((new F()).toString !== toStringSentinel) {
		            var $dP = $Object.defineProperty;
		            var $gOPD = $Object.getOwnPropertyDescriptor;
		            defineProperties($Object, {
		                defineProperty: function defineProperty(o, k, d) {
		                    var key = $String(k);
		                    if (typeof o === 'function' && key === 'prototype') {
		                        var desc = $gOPD(o, key);
		                        if (desc.writable && !d.writable && 'value' in d) {
		                            try {
		                                o[key] = d.value; // eslint-disable-line no-param-reassign
		                            } catch (e) { /**/ }
		                        }
		                        return $dP(o, key, {
		                            configurable: 'configurable' in d ? d.configurable : desc.configurable,
		                            enumerable: 'enumerable' in d ? d.enumerable : desc.enumerable,
		                            writable: d.writable
		                        });
		                    }
		                    return $dP(o, key, d);
		                }
		            }, true);
		        }
		    }

		    //
		    // Util
		    // ======
		    //

		    /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */
		    var isPrimitive = function isPrimitive(input) {
		        var type = typeof input;
		        return input === null || (type !== 'object' && type !== 'function');
		    };

		    var isActualNaN = $Number.isNaN || function isActualNaN(x) {
		        return x !== x;
		    };

		    var ES = {
		        // ES5 9.4
		        // https://es5.github.io/#x9.4
		        // http://jsperf.com/to-integer
		        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */
		        ToInteger: function ToInteger(num) {
		            var n = +num;
		            if (isActualNaN(n)) {
		                n = 0;
		            } else if (n !== 0 && n !== (1 / 0) && n !== -Infinity) {
		                n = (n > 0 || -1) * floor(abs(n));
		            }
		            return n;
		        },

		        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */
		        ToPrimitive: function ToPrimitive(input) {
		            var val, valueOf, toStr;
		            if (isPrimitive(input)) {
		                return input;
		            }
		            valueOf = input.valueOf;
		            if (isCallable(valueOf)) {
		                val = valueOf.call(input);
		                if (isPrimitive(val)) {
		                    return val;
		                }
		            }
		            toStr = input.toString;
		            if (isCallable(toStr)) {
		                val = toStr.call(input);
		                if (isPrimitive(val)) {
		                    return val;
		                }
		            }
		            throw new TypeError();
		        },

		        // ES5 9.9
		        // https://es5.github.io/#x9.9
		        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */
		        ToObject: function (o) {
		            if (o == null) { // this matches both null and undefined
		                throw new TypeError("can't convert " + o + ' to object');
		            }
		            return $Object(o);
		        },

		        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */
		        ToUint32: function ToUint32(x) {
		            return x >>> 0;
		        }
		    };

		    //
		    // Function
		    // ========
		    //

		    // ES-5 15.3.4.5
		    // https://es5.github.io/#x15.3.4.5

		    var Empty = function Empty() {};

		    defineProperties(FunctionPrototype, {
		        bind: function bind(that) { // .length is 1
		            // 1. Let Target be the this value.
		            var target = this;
		            // 2. If IsCallable(Target) is false, throw a TypeError exception.
		            if (!isCallable(target)) {
		                throw new TypeError('Function.prototype.bind called on incompatible ' + target);
		            }
		            // 3. Let A be a new (possibly empty) internal list of all of the
		            //   argument values provided after thisArg (arg1, arg2 etc), in order.
		            // XXX slicedArgs will stand in for "A" if used
		            var args = array_slice.call(arguments, 1); // for normal call
		            // 4. Let F be a new native ECMAScript object.
		            // 11. Set the [[Prototype]] internal property of F to the standard
		            //   built-in Function prototype object as specified in 15.3.3.1.
		            // 12. Set the [[Call]] internal property of F as described in
		            //   15.3.4.5.1.
		            // 13. Set the [[Construct]] internal property of F as described in
		            //   15.3.4.5.2.
		            // 14. Set the [[HasInstance]] internal property of F as described in
		            //   15.3.4.5.3.
		            var bound;
		            var binder = function () {

		                if (this instanceof bound) {
		                    // 15.3.4.5.2 [[Construct]]
		                    // When the [[Construct]] internal method of a function object,
		                    // F that was created using the bind function is called with a
		                    // list of arguments ExtraArgs, the following steps are taken:
		                    // 1. Let target be the value of F's [[TargetFunction]]
		                    //   internal property.
		                    // 2. If target has no [[Construct]] internal method, a
		                    //   TypeError exception is thrown.
		                    // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
		                    //   property.
		                    // 4. Let args be a new list containing the same values as the
		                    //   list boundArgs in the same order followed by the same
		                    //   values as the list ExtraArgs in the same order.
		                    // 5. Return the result of calling the [[Construct]] internal
		                    //   method of target providing args as the arguments.

		                    var result = apply.call(
		                        target,
		                        this,
		                        array_concat.call(args, array_slice.call(arguments))
		                    );
		                    if ($Object(result) === result) {
		                        return result;
		                    }
		                    return this;

		                }
		                // 15.3.4.5.1 [[Call]]
		                // When the [[Call]] internal method of a function object, F,
		                // which was created using the bind function is called with a
		                // this value and a list of arguments ExtraArgs, the following
		                // steps are taken:
		                // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
		                //   property.
		                // 2. Let boundThis be the value of F's [[BoundThis]] internal
		                //   property.
		                // 3. Let target be the value of F's [[TargetFunction]] internal
		                //   property.
		                // 4. Let args be a new list containing the same values as the
		                //   list boundArgs in the same order followed by the same
		                //   values as the list ExtraArgs in the same order.
		                // 5. Return the result of calling the [[Call]] internal method
		                //   of target providing boundThis as the this value and
		                //   providing args as the arguments.

		                // equiv: target.call(this, ...boundArgs, ...args)
		                return apply.call(
		                    target,
		                    that,
		                    array_concat.call(args, array_slice.call(arguments))
		                );

		            };

		            // 15. If the [[Class]] internal property of Target is "Function", then
		            //     a. Let L be the length property of Target minus the length of A.
		            //     b. Set the length own property of F to either 0 or L, whichever is
		            //       larger.
		            // 16. Else set the length own property of F to 0.

		            var boundLength = max(0, target.length - args.length);

		            // 17. Set the attributes of the length own property of F to the values
		            //   specified in 15.3.5.1.
		            var boundArgs = [];
		            for (var i = 0; i < boundLength; i++) {
		                array_push.call(boundArgs, '$' + i);
		            }

		            // XXX Build a dynamic function with desired amount of arguments is the only
		            // way to set the length property of a function.
		            // In environments where Content Security Policies enabled (Chrome extensions,
		            // for ex.) all use of eval or Function costructor throws an exception.
		            // However in all of these environments Function.prototype.bind exists
		            // and so this code will never be executed.
		            bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder);

		            if (target.prototype) {
		                Empty.prototype = target.prototype;
		                bound.prototype = new Empty();
		                // Clean up dangling references.
		                Empty.prototype = null;
		            }

		            // TODO
		            // 18. Set the [[Extensible]] internal property of F to true.

		            // TODO
		            // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
		            // 20. Call the [[DefineOwnProperty]] internal method of F with
		            //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
		            //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
		            //   false.
		            // 21. Call the [[DefineOwnProperty]] internal method of F with
		            //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
		            //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
		            //   and false.

		            // TODO
		            // NOTE Function objects created using Function.prototype.bind do not
		            // have a prototype property or the [[Code]], [[FormalParameters]], and
		            // [[Scope]] internal properties.
		            // XXX can't delete prototype in pure-js.

		            // 22. Return F.
		            return bound;
		        }
		    });

		    // _Please note: Shortcuts are defined after `Function.prototype.bind` as we
		    // use it in defining shortcuts.
		    var owns = call.bind(ObjectPrototype.hasOwnProperty);
		    var toStr = call.bind(ObjectPrototype.toString);
		    var arraySlice = call.bind(array_slice);
		    var arraySliceApply = apply.bind(array_slice);
		    /* globals document */
		    if (typeof document === 'object' && document && document.documentElement) {
		        try {
		            arraySlice(document.documentElement.childNodes);
		        } catch (e) {
		            var origArraySlice = arraySlice;
		            var origArraySliceApply = arraySliceApply;
		            arraySlice = function arraySliceIE(arr) {
		                var r = [];
		                var i = arr.length;
		                while (i-- > 0) {
		                    r[i] = arr[i];
		                }
		                return origArraySliceApply(r, origArraySlice(arguments, 1));
		            };
		            arraySliceApply = function arraySliceApplyIE(arr, args) {
		                return origArraySliceApply(arraySlice(arr), args);
		            };
		        }
		    }
		    var strSlice = call.bind(StringPrototype.slice);
		    var strSplit = call.bind(StringPrototype.split);
		    var strIndexOf = call.bind(StringPrototype.indexOf);
		    var pushCall = call.bind(array_push);
		    var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable);
		    var arraySort = call.bind(ArrayPrototype.sort);

		    //
		    // Array
		    // =====
		    //

		    var isArray = $Array.isArray || function isArray(obj) {
		        return toStr(obj) === '[object Array]';
		    };

		    // ES5 15.4.4.12
		    // https://es5.github.io/#x15.4.4.13
		    // Return len+argCount.
		    // [bugfix, ielt8]
		    // IE < 8 bug: [].unshift(0) === undefined but should be "1"
		    var hasUnshiftReturnValueBug = [].unshift(0) !== 1;
		    defineProperties(ArrayPrototype, {
		        unshift: function () {
		            array_unshift.apply(this, arguments);
		            return this.length;
		        }
		    }, hasUnshiftReturnValueBug);

		    // ES5 15.4.3.2
		    // https://es5.github.io/#x15.4.3.2
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
		    defineProperties($Array, { isArray: isArray });

		    // The IsCallable() check in the Array functions
		    // has been replaced with a strict check on the
		    // internal class of the object to trap cases where
		    // the provided function was actually a regular
		    // expression literal, which in V8 and
		    // JavaScriptCore is a typeof "function".  Only in
		    // V8 are regular expression literals permitted as
		    // reduce parameters, so it is desirable in the
		    // general case for the shim to match the more
		    // strict and common behavior of rejecting regular
		    // expressions.

		    // ES5 15.4.4.18
		    // https://es5.github.io/#x15.4.4.18
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach

		    // Check failure of by-index access of string characters (IE < 9)
		    // and failure of `0 in boxedString` (Rhino)
		    var boxedString = $Object('a');
		    var splitString = boxedString[0] !== 'a' || !(0 in boxedString);

		    var properlyBoxesContext = function properlyBoxed(method) {
		        // Check node 0.6.21 bug where third parameter is not boxed
		        var properlyBoxesNonStrict = true;
		        var properlyBoxesStrict = true;
		        var threwException = false;
		        if (method) {
		            try {
		                method.call('foo', function (_, __, context) {
		                    if (typeof context !== 'object') {
		                        properlyBoxesNonStrict = false;
		                    }
		                });

		                method.call([1], function () {
		                    'use strict';

		                    properlyBoxesStrict = typeof this === 'string';
		                }, 'x');
		            } catch (e) {
		                threwException = true;
		            }
		        }
		        return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict;
		    };

		    defineProperties(ArrayPrototype, {
		        forEach: function forEach(callbackfn/*, thisArg*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var i = -1;
		            var length = ES.ToUint32(self.length);
		            var T;
		            if (arguments.length > 1) {
		                T = arguments[1];
		            }

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.forEach callback must be a function');
		            }

		            while (++i < length) {
		                if (i in self) {
		                    // Invoke the callback function with call, passing arguments:
		                    // context, property value, property key, thisArg object
		                    if (typeof T === 'undefined') {
		                        callbackfn(self[i], i, object);
		                    } else {
		                        callbackfn.call(T, self[i], i, object);
		                    }
		                }
		            }
		        }
		    }, !properlyBoxesContext(ArrayPrototype.forEach));

		    // ES5 15.4.4.19
		    // https://es5.github.io/#x15.4.4.19
		    // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
		    defineProperties(ArrayPrototype, {
		        map: function map(callbackfn/*, thisArg*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);
		            var result = $Array(length);
		            var T;
		            if (arguments.length > 1) {
		                T = arguments[1];
		            }

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.map callback must be a function');
		            }

		            for (var i = 0; i < length; i++) {
		                if (i in self) {
		                    if (typeof T === 'undefined') {
		                        result[i] = callbackfn(self[i], i, object);
		                    } else {
		                        result[i] = callbackfn.call(T, self[i], i, object);
		                    }
		                }
		            }
		            return result;
		        }
		    }, !properlyBoxesContext(ArrayPrototype.map));

		    // ES5 15.4.4.20
		    // https://es5.github.io/#x15.4.4.20
		    // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
		    defineProperties(ArrayPrototype, {
		        filter: function filter(callbackfn/*, thisArg*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);
		            var result = [];
		            var value;
		            var T;
		            if (arguments.length > 1) {
		                T = arguments[1];
		            }

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.filter callback must be a function');
		            }

		            for (var i = 0; i < length; i++) {
		                if (i in self) {
		                    value = self[i];
		                    if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {
		                        pushCall(result, value);
		                    }
		                }
		            }
		            return result;
		        }
		    }, !properlyBoxesContext(ArrayPrototype.filter));

		    // ES5 15.4.4.16
		    // https://es5.github.io/#x15.4.4.16
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
		    defineProperties(ArrayPrototype, {
		        every: function every(callbackfn/*, thisArg*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);
		            var T;
		            if (arguments.length > 1) {
		                T = arguments[1];
		            }

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.every callback must be a function');
		            }

		            for (var i = 0; i < length; i++) {
		                if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
		                    return false;
		                }
		            }
		            return true;
		        }
		    }, !properlyBoxesContext(ArrayPrototype.every));

		    // ES5 15.4.4.17
		    // https://es5.github.io/#x15.4.4.17
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
		    defineProperties(ArrayPrototype, {
		        some: function some(callbackfn/*, thisArg */) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);
		            var T;
		            if (arguments.length > 1) {
		                T = arguments[1];
		            }

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.some callback must be a function');
		            }

		            for (var i = 0; i < length; i++) {
		                if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
		                    return true;
		                }
		            }
		            return false;
		        }
		    }, !properlyBoxesContext(ArrayPrototype.some));

		    // ES5 15.4.4.21
		    // https://es5.github.io/#x15.4.4.21
		    // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
		    var reduceCoercesToObject = false;
		    if (ArrayPrototype.reduce) {
		        reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) {
		            return list;
		        }) === 'object';
		    }
		    defineProperties(ArrayPrototype, {
		        reduce: function reduce(callbackfn/*, initialValue*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.reduce callback must be a function');
		            }

		            // no value to return if no initial value and an empty array
		            if (length === 0 && arguments.length === 1) {
		                throw new TypeError('reduce of empty array with no initial value');
		            }

		            var i = 0;
		            var result;
		            if (arguments.length >= 2) {
		                result = arguments[1];
		            } else {
		                do {
		                    if (i in self) {
		                        result = self[i++];
		                        break;
		                    }

		                    // if array contains no values, no initial value to return
		                    if (++i >= length) {
		                        throw new TypeError('reduce of empty array with no initial value');
		                    }
		                } while (true);
		            }

		            for (; i < length; i++) {
		                if (i in self) {
		                    result = callbackfn(result, self[i], i, object);
		                }
		            }

		            return result;
		        }
		    }, !reduceCoercesToObject);

		    // ES5 15.4.4.22
		    // https://es5.github.io/#x15.4.4.22
		    // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
		    var reduceRightCoercesToObject = false;
		    if (ArrayPrototype.reduceRight) {
		        reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) {
		            return list;
		        }) === 'object';
		    }
		    defineProperties(ArrayPrototype, {
		        reduceRight: function reduceRight(callbackfn/*, initial*/) {
		            var object = ES.ToObject(this);
		            var self = splitString && isString(this) ? strSplit(this, '') : object;
		            var length = ES.ToUint32(self.length);

		            // If no callback function or if callback is not a callable function
		            if (!isCallable(callbackfn)) {
		                throw new TypeError('Array.prototype.reduceRight callback must be a function');
		            }

		            // no value to return if no initial value, empty array
		            if (length === 0 && arguments.length === 1) {
		                throw new TypeError('reduceRight of empty array with no initial value');
		            }

		            var result;
		            var i = length - 1;
		            if (arguments.length >= 2) {
		                result = arguments[1];
		            } else {
		                do {
		                    if (i in self) {
		                        result = self[i--];
		                        break;
		                    }

		                    // if array contains no values, no initial value to return
		                    if (--i < 0) {
		                        throw new TypeError('reduceRight of empty array with no initial value');
		                    }
		                } while (true);
		            }

		            if (i < 0) {
		                return result;
		            }

		            do {
		                if (i in self) {
		                    result = callbackfn(result, self[i], i, object);
		                }
		            } while (i--);

		            return result;
		        }
		    }, !reduceRightCoercesToObject);

		    // ES5 15.4.4.14
		    // https://es5.github.io/#x15.4.4.14
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
		    var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
		    defineProperties(ArrayPrototype, {
		        indexOf: function indexOf(searchElement/*, fromIndex */) {
		            var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);
		            var length = ES.ToUint32(self.length);

		            if (length === 0) {
		                return -1;
		            }

		            var i = 0;
		            if (arguments.length > 1) {
		                i = ES.ToInteger(arguments[1]);
		            }

		            // handle negative indices
		            i = i >= 0 ? i : max(0, length + i);
		            for (; i < length; i++) {
		                if (i in self && self[i] === searchElement) {
		                    return i;
		                }
		            }
		            return -1;
		        }
		    }, hasFirefox2IndexOfBug);

		    // ES5 15.4.4.15
		    // https://es5.github.io/#x15.4.4.15
		    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
		    var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;
		    defineProperties(ArrayPrototype, {
		        lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) {
		            var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);
		            var length = ES.ToUint32(self.length);

		            if (length === 0) {
		                return -1;
		            }
		            var i = length - 1;
		            if (arguments.length > 1) {
		                i = min(i, ES.ToInteger(arguments[1]));
		            }
		            // handle negative indices
		            i = i >= 0 ? i : length - abs(i);
		            for (; i >= 0; i--) {
		                if (i in self && searchElement === self[i]) {
		                    return i;
		                }
		            }
		            return -1;
		        }
		    }, hasFirefox2LastIndexOfBug);

		    // ES5 15.4.4.12
		    // https://es5.github.io/#x15.4.4.12
		    var spliceNoopReturnsEmptyArray = (function () {
		        var a = [1, 2];
		        var result = a.splice();
		        return a.length === 2 && isArray(result) && result.length === 0;
		    }());
		    defineProperties(ArrayPrototype, {
		        // Safari 5.0 bug where .splice() returns undefined
		        splice: function splice(start, deleteCount) {
		            if (arguments.length === 0) {
		                return [];
		            }
		            return array_splice.apply(this, arguments);

		        }
		    }, !spliceNoopReturnsEmptyArray);

		    var spliceWorksWithEmptyObject = (function () {
		        var obj = {};
		        ArrayPrototype.splice.call(obj, 0, 0, 1);
		        return obj.length === 1;
		    }());
		    var hasES6Defaults = [0, 1, 2].splice(0).length === 3;
		    defineProperties(ArrayPrototype, {
		        splice: function splice(start, deleteCount) {
		            if (arguments.length === 0) {
		                return [];
		            }
		            var args = arguments;
		            this.length = max(ES.ToInteger(this.length), 0);
		            if (arguments.length > 0 && typeof deleteCount !== 'number') {
		                args = arraySlice(arguments);
		                if (args.length < 2) {
		                    pushCall(args, this.length - start);
		                } else {
		                    args[1] = ES.ToInteger(deleteCount);
		                }
		            }
		            return array_splice.apply(this, args);
		        }
		    }, !spliceWorksWithEmptyObject || !hasES6Defaults);
		    var spliceWorksWithLargeSparseArrays = (function () {
		        // Per https://github.com/es-shims/es5-shim/issues/295
		        // Safari 7/8 breaks with sparse arrays of size 1e5 or greater
		        var arr = new $Array(1e5);
		        // note: the index MUST be 8 or larger or the test will false pass
		        arr[8] = 'x';
		        arr.splice(1, 1);
		        // note: this test must be defined *after* the indexOf shim
		        // per https://github.com/es-shims/es5-shim/issues/313
		        return arr.indexOf('x') === 7;
		    }());
		    var spliceWorksWithSmallSparseArrays = (function () {
		        // Per https://github.com/es-shims/es5-shim/issues/295
		        // Opera 12.15 breaks on this, no idea why.
		        var n = 256;
		        var arr = [];
		        arr[n] = 'a';
		        arr.splice(n + 1, 0, 'b');
		        return arr[n] === 'a';
		    }());
		    defineProperties(ArrayPrototype, {
		        splice: function splice(start, deleteCount) {
		            var O = ES.ToObject(this);
		            var A = [];
		            var len = ES.ToUint32(O.length);
		            var relativeStart = ES.ToInteger(start);
		            var actualStart = relativeStart < 0 ? max((len + relativeStart), 0) : min(relativeStart, len);
		            var actualDeleteCount = arguments.length === 0
		                ? 0
		                : arguments.length === 1
		                    ? len - actualStart
		                    : min(max(ES.ToInteger(deleteCount), 0), len - actualStart);

		            var k = 0;
		            var from;
		            while (k < actualDeleteCount) {
		                from = $String(actualStart + k);
		                if (owns(O, from)) {
		                    A[k] = O[from];
		                }
		                k += 1;
		            }

		            var items = arraySlice(arguments, 2);
		            var itemCount = items.length;
		            var to;
		            if (itemCount < actualDeleteCount) {
		                k = actualStart;
		                var maxK = len - actualDeleteCount;
		                while (k < maxK) {
		                    from = $String(k + actualDeleteCount);
		                    to = $String(k + itemCount);
		                    if (owns(O, from)) {
		                        O[to] = O[from];
		                    } else {
		                        delete O[to];
		                    }
		                    k += 1;
		                }
		                k = len;
		                var minK = len - actualDeleteCount + itemCount;
		                while (k > minK) {
		                    delete O[k - 1];
		                    k -= 1;
		                }
		            } else if (itemCount > actualDeleteCount) {
		                k = len - actualDeleteCount;
		                while (k > actualStart) {
		                    from = $String(k + actualDeleteCount - 1);
		                    to = $String(k + itemCount - 1);
		                    if (owns(O, from)) {
		                        O[to] = O[from];
		                    } else {
		                        delete O[to];
		                    }
		                    k -= 1;
		                }
		            }
		            k = actualStart;
		            for (var i = 0; i < items.length; ++i) {
		                O[k] = items[i];
		                k += 1;
		            }
		            O.length = len - actualDeleteCount + itemCount;

		            return A;
		        }
		    }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays);

		    var originalJoin = ArrayPrototype.join;
		    var hasStringJoinBug;
		    try {
		        hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3';
		    } catch (e) {
		        hasStringJoinBug = true;
		    }
		    if (hasStringJoinBug) {
		        defineProperties(ArrayPrototype, {
		            join: function join(separator) {
		                var sep = typeof separator === 'undefined' ? ',' : separator;
		                return originalJoin.call(isString(this) ? strSplit(this, '') : this, sep);
		            }
		        }, hasStringJoinBug);
		    }

		    var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2';
		    if (hasJoinUndefinedBug) {
		        defineProperties(ArrayPrototype, {
		            join: function join(separator) {
		                var sep = typeof separator === 'undefined' ? ',' : separator;
		                return originalJoin.call(this, sep);
		            }
		        }, hasJoinUndefinedBug);
		    }

		    var pushShim = function push(item) {
		        var O = ES.ToObject(this);
		        var n = ES.ToUint32(O.length);
		        var i = 0;
		        while (i < arguments.length) {
		            O[n + i] = arguments[i];
		            i += 1;
		        }
		        O.length = n + i;
		        return n + i;
		    };

		    var pushIsNotGeneric = (function () {
		        var obj = {};
		        var result = Array.prototype.push.call(obj, undefined);
		        return result !== 1 || obj.length !== 1 || typeof obj[0] !== 'undefined' || !owns(obj, 0);
		    }());
		    defineProperties(ArrayPrototype, {
		        push: function push(item) {
		            if (isArray(this)) {
		                return array_push.apply(this, arguments);
		            }
		            return pushShim.apply(this, arguments);
		        }
		    }, pushIsNotGeneric);

		    // This fixes a very weird bug in Opera 10.6 when pushing `undefined
		    var pushUndefinedIsWeird = (function () {
		        var arr = [];
		        var result = arr.push(undefined);
		        return result !== 1 || arr.length !== 1 || typeof arr[0] !== 'undefined' || !owns(arr, 0);
		    }());
		    defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird);

		    // ES5 15.2.3.14
		    // https://es5.github.io/#x15.4.4.10
		    // Fix boxed string bug
		    defineProperties(ArrayPrototype, {
		        slice: function (start, end) {
		            var arr = isString(this) ? strSplit(this, '') : this;
		            return arraySliceApply(arr, arguments);
		        }
		    }, splitString);

		    var sortIgnoresNonFunctions = (function () {
		        try {
		            [1, 2].sort(null);
		        } catch (e) {
		            try {
		                [1, 2].sort({});
		            } catch (e2) {
		                return false;
		            }
		        }
		        return true;
		    }());
		    var sortThrowsOnRegex = (function () {
		        // this is a problem in Firefox 4, in which `typeof /a/ === 'function'`
		        try {
		            [1, 2].sort(/a/);
		            return false;
		        } catch (e) {}
		        return true;
		    }());
		    var sortIgnoresUndefined = (function () {
		        // applies in IE 8, for one.
		        try {
		            [1, 2].sort(undefined);
		            return true;
		        } catch (e) {}
		        return false;
		    }());
		    defineProperties(ArrayPrototype, {
		        sort: function sort(compareFn) {
		            if (typeof compareFn === 'undefined') {
		                return arraySort(this);
		            }
		            if (!isCallable(compareFn)) {
		                throw new TypeError('Array.prototype.sort callback must be a function');
		            }
		            return arraySort(this, compareFn);
		        }
		    }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex);

		    //
		    // Object
		    // ======
		    //

		    // ES5 15.2.3.14
		    // https://es5.github.io/#x15.2.3.14

		    // https://web.archive.org/web/20140727042234/http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
		    // eslint-disable-next-line quote-props
		    var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString'); // jscs:ignore disallowQuotedKeysInObjects
		    var hasProtoEnumBug = isEnum(function () {}, 'prototype');
		    var hasStringEnumBug = !owns('x', '0');
		    var equalsConstructorPrototype = function (o) {
		        var ctor = o.constructor;
		        return ctor && ctor.prototype === o;
		    };
		    var excludedKeys = {
		        $applicationCache: true,
		        $console: true,
		        $external: true,
		        $frame: true,
		        $frameElement: true,
		        $frames: true,
		        $innerHeight: true,
		        $innerWidth: true,
		        $onmozfullscreenchange: true,
		        $onmozfullscreenerror: true,
		        $outerHeight: true,
		        $outerWidth: true,
		        $pageXOffset: true,
		        $pageYOffset: true,
		        $parent: true,
		        $scrollLeft: true,
		        $scrollTop: true,
		        $scrollX: true,
		        $scrollY: true,
		        $self: true,
		        $webkitIndexedDB: true,
		        $webkitStorageInfo: true,
		        $window: true,

		        $width: true,
		        $height: true,
		        $top: true,
		        $localStorage: true
		    };
		    var hasAutomationEqualityBug = (function () {
		        /* globals window */
		        if (typeof window === 'undefined') {
		            return false;
		        }
		        for (var k in window) {
		            try {
		                if (!excludedKeys['$' + k] && owns(window, k) && window[k] !== null && typeof window[k] === 'object') {
		                    equalsConstructorPrototype(window[k]);
		                }
		            } catch (e) {
		                return true;
		            }
		        }
		        return false;
		    }());
		    var equalsConstructorPrototypeIfNotBuggy = function (object) {
		        if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
		            return equalsConstructorPrototype(object);
		        }
		        try {
		            return equalsConstructorPrototype(object);
		        } catch (e) {
		            return false;
		        }
		    };
		    var dontEnums = [
		        'toString',
		        'toLocaleString',
		        'valueOf',
		        'hasOwnProperty',
		        'isPrototypeOf',
		        'propertyIsEnumerable',
		        'constructor'
		    ];
		    var dontEnumsLength = dontEnums.length;

		    // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js
		    // can be replaced with require('is-arguments') if we ever use a build process instead
		    var isStandardArguments = function isArguments(value) {
		        return toStr(value) === '[object Arguments]';
		    };
		    var isLegacyArguments = function isArguments(value) {
		        return value !== null
		            && typeof value === 'object'
		            && typeof value.length === 'number'
		            && value.length >= 0
		            && !isArray(value)
		            && isCallable(value.callee);
		    };
		    var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments;

		    defineProperties($Object, {
		        keys: function keys(object) {
		            var isFn = isCallable(object);
		            var isArgs = isArguments(object);
		            var isObject = object !== null && typeof object === 'object';
		            var isStr = isObject && isString(object);

		            if (!isObject && !isFn && !isArgs) {
		                throw new TypeError('Object.keys called on a non-object');
		            }

		            var theKeys = [];
		            var skipProto = hasProtoEnumBug && isFn;
		            if ((isStr && hasStringEnumBug) || isArgs) {
		                for (var i = 0; i < object.length; ++i) {
		                    pushCall(theKeys, $String(i));
		                }
		            }

		            if (!isArgs) {
		                for (var name in object) {
		                    if (!(skipProto && name === 'prototype') && owns(object, name)) {
		                        pushCall(theKeys, $String(name));
		                    }
		                }
		            }

		            if (hasDontEnumBug) {
		                var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
		                for (var j = 0; j < dontEnumsLength; j++) {
		                    var dontEnum = dontEnums[j];
		                    if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {
		                        pushCall(theKeys, dontEnum);
		                    }
		                }
		            }
		            return theKeys;
		        }
		    });

		    var keysWorksWithArguments = $Object.keys && (function () {
		        // Safari 5.0 bug
		        return $Object.keys(arguments).length === 2;
		    }(1, 2));
		    var keysHasArgumentsLengthBug = $Object.keys && (function () {
		        var argKeys = $Object.keys(arguments);
		        return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] !== 1;
		    }(1));
		    var originalKeys = $Object.keys;
		    defineProperties($Object, {
		        keys: function keys(object) {
		            if (isArguments(object)) {
		                return originalKeys(arraySlice(object));
		            }
		            return originalKeys(object);

		        }
		    }, !keysWorksWithArguments || keysHasArgumentsLengthBug);

		    //
		    // Date
		    // ====
		    //

		    var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0;
		    var aNegativeTestDate = new Date(-1509842289600292);
		    var aPositiveTestDate = new Date(1449662400000);
		    var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT';
		    var hasToDateStringFormatBug;
		    var hasToStringFormatBug;
		    var timeZoneOffset = aNegativeTestDate.getTimezoneOffset();
		    if (timeZoneOffset < -720) {
		        hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875';
		        hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d GMT[-+]\d\d\d\d(?: |$)/).test(String(aPositiveTestDate));
		    } else {
		        hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875';
		        hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-+]\d\d\d\d(?: |$)/).test(String(aPositiveTestDate));
		    }

		    var originalGetFullYear = call.bind(Date.prototype.getFullYear);
		    var originalGetMonth = call.bind(Date.prototype.getMonth);
		    var originalGetDate = call.bind(Date.prototype.getDate);
		    var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear);
		    var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth);
		    var originalGetUTCDate = call.bind(Date.prototype.getUTCDate);
		    var originalGetUTCDay = call.bind(Date.prototype.getUTCDay);
		    var originalGetUTCHours = call.bind(Date.prototype.getUTCHours);
		    var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes);
		    var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds);
		    var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds);
		    var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
		    var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
		    var daysInMonth = function daysInMonth(month, year) {
		        return originalGetDate(new Date(year, month, 0));
		    };

		    defineProperties(Date.prototype, {
		        getFullYear: function getFullYear() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetFullYear(this);
		            if (year < 0 && originalGetMonth(this) > 11) {
		                return year + 1;
		            }
		            return year;
		        },
		        getMonth: function getMonth() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetFullYear(this);
		            var month = originalGetMonth(this);
		            if (year < 0 && month > 11) {
		                return 0;
		            }
		            return month;
		        },
		        getDate: function getDate() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetFullYear(this);
		            var month = originalGetMonth(this);
		            var date = originalGetDate(this);
		            if (year < 0 && month > 11) {
		                if (month === 12) {
		                    return date;
		                }
		                var days = daysInMonth(0, year + 1);
		                return (days - date) + 1;
		            }
		            return date;
		        },
		        getUTCFullYear: function getUTCFullYear() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetUTCFullYear(this);
		            if (year < 0 && originalGetUTCMonth(this) > 11) {
		                return year + 1;
		            }
		            return year;
		        },
		        getUTCMonth: function getUTCMonth() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetUTCFullYear(this);
		            var month = originalGetUTCMonth(this);
		            if (year < 0 && month > 11) {
		                return 0;
		            }
		            return month;
		        },
		        getUTCDate: function getUTCDate() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var year = originalGetUTCFullYear(this);
		            var month = originalGetUTCMonth(this);
		            var date = originalGetUTCDate(this);
		            if (year < 0 && month > 11) {
		                if (month === 12) {
		                    return date;
		                }
		                var days = daysInMonth(0, year + 1);
		                return (days - date) + 1;
		            }
		            return date;
		        }
		    }, hasNegativeMonthYearBug);

		    defineProperties(Date.prototype, {
		        toUTCString: function toUTCString() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var day = originalGetUTCDay(this);
		            var date = originalGetUTCDate(this);
		            var month = originalGetUTCMonth(this);
		            var year = originalGetUTCFullYear(this);
		            var hour = originalGetUTCHours(this);
		            var minute = originalGetUTCMinutes(this);
		            var second = originalGetUTCSeconds(this);
		            return dayName[day] + ', '
		                + (date < 10 ? '0' + date : date) + ' '
		                + monthName[month] + ' '
		                + year + ' '
		                + (hour < 10 ? '0' + hour : hour) + ':'
		                + (minute < 10 ? '0' + minute : minute) + ':'
		                + (second < 10 ? '0' + second : second) + ' GMT';
		        }
		    }, hasNegativeMonthYearBug || hasToUTCStringFormatBug);

		    // Opera 12 has `,`
		    defineProperties(Date.prototype, {
		        toDateString: function toDateString() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var day = this.getDay();
		            var date = this.getDate();
		            var month = this.getMonth();
		            var year = this.getFullYear();
		            return dayName[day] + ' '
		                + monthName[month] + ' '
		                + (date < 10 ? '0' + date : date) + ' '
		                + year;
		        }
		    }, hasNegativeMonthYearBug || hasToDateStringFormatBug);

		    // can't use defineProperties here because of toString enumeration issue in IE <= 8
		    if (hasNegativeMonthYearBug || hasToStringFormatBug) {
		        Date.prototype.toString = function toString() {
		            if (!this || !(this instanceof Date)) {
		                throw new TypeError('this is not a Date object.');
		            }
		            var day = this.getDay();
		            var date = this.getDate();
		            var month = this.getMonth();
		            var year = this.getFullYear();
		            var hour = this.getHours();
		            var minute = this.getMinutes();
		            var second = this.getSeconds();
		            var timezoneOffset = this.getTimezoneOffset();
		            var hoursOffset = floor(abs(timezoneOffset) / 60);
		            var minutesOffset = floor(abs(timezoneOffset) % 60);
		            return dayName[day] + ' '
		                + monthName[month] + ' '
		                + (date < 10 ? '0' + date : date) + ' '
		                + year + ' '
		                + (hour < 10 ? '0' + hour : hour) + ':'
		                + (minute < 10 ? '0' + minute : minute) + ':'
		                + (second < 10 ? '0' + second : second) + ' GMT'
		                + (timezoneOffset > 0 ? '-' : '+')
		                + (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset)
		                + (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset);
		        };
		        if (supportsDescriptors) {
		            $Object.defineProperty(Date.prototype, 'toString', {
		                configurable: true,
		                enumerable: false,
		                writable: true
		            });
		        }
		    }

		    // ES5 15.9.5.43
		    // https://es5.github.io/#x15.9.5.43
		    // This function returns a String value represent the instance in time
		    // represented by this Date object. The format of the String is the Date Time
		    // string format defined in 15.9.1.15. All fields are present in the String.
		    // The time zone is always UTC, denoted by the suffix Z. If the time value of
		    // this object is not a finite Number a RangeError exception is thrown.
		    var negativeDate = -621987552e5;
		    var negativeYearString = '-000001';
		    var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1; // eslint-disable-line max-len
		    var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z';

		    var getTime = call.bind(Date.prototype.getTime);

		    defineProperties(Date.prototype, {
		        toISOString: function toISOString() {
		            if (!isFinite(this) || !isFinite(getTime(this))) {
		                // Adope Photoshop requires the second check.
		                throw new RangeError('Date.prototype.toISOString called on non-finite value.');
		            }

		            var year = originalGetUTCFullYear(this);

		            var month = originalGetUTCMonth(this);
		            // see https://github.com/es-shims/es5-shim/issues/111
		            year += floor(month / 12);
		            month = ((month % 12) + 12) % 12;

		            // the date time string format is specified in 15.9.1.15.
		            var result = [
		                month + 1,
		                originalGetUTCDate(this),
		                originalGetUTCHours(this),
		                originalGetUTCMinutes(this),
		                originalGetUTCSeconds(this)
		            ];
		            year = (
		                (year < 0 ? '-' : (year > 9999 ? '+' : ''))
		                + strSlice('00000' + abs(year), (0 <= year && year <= 9999) ? -4 : -6)
		            );

		            for (var i = 0; i < result.length; ++i) {
		                // pad months, days, hours, minutes, and seconds to have two digits.
		                result[i] = strSlice('00' + result[i], -2);
		            }
		            // pad milliseconds to have three digits.
		            return (
		                year + '-' + arraySlice(result, 0, 2).join('-')
		                + 'T' + arraySlice(result, 2).join(':') + '.'
		                + strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'
		            );
		        }
		    }, hasNegativeDateBug || hasSafari51DateBug);

		    // ES5 15.9.5.44
		    // https://es5.github.io/#x15.9.5.44
		    // This function provides a String representation of a Date object for use by
		    // JSON.stringify (15.12.3).
		    var dateToJSONIsSupported = (function () {
		        try {
		            return Date.prototype.toJSON
		                && new Date(NaN).toJSON() === null
		                && new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1
		                && Date.prototype.toJSON.call({ // generic
		                    toISOString: function () { return true; }
		                });
		        } catch (e) {
		            return false;
		        }
		    }());
		    if (!dateToJSONIsSupported) {
		        Date.prototype.toJSON = function toJSON(key) {
		            // When the toJSON method is called with argument key, the following
		            // steps are taken:

		            // 1.  Let O be the result of calling ToObject, giving it the this
		            // value as its argument.
		            // 2. Let tv be ES.ToPrimitive(O, hint Number).
		            var O = $Object(this);
		            var tv = ES.ToPrimitive(O);
		            // 3. If tv is a Number and is not finite, return null.
		            if (typeof tv === 'number' && !isFinite(tv)) {
		                return null;
		            }
		            // 4. Let toISO be the result of calling the [[Get]] internal method of
		            // O with argument "toISOString".
		            var toISO = O.toISOString;
		            // 5. If IsCallable(toISO) is false, throw a TypeError exception.
		            if (!isCallable(toISO)) {
		                throw new TypeError('toISOString property is not callable');
		            }
		            // 6. Return the result of calling the [[Call]] internal method of
		            //  toISO with O as the this value and an empty argument list.
		            return toISO.call(O);

		            // NOTE 1 The argument is ignored.

		            // NOTE 2 The toJSON function is intentionally generic; it does not
		            // require that its this value be a Date object. Therefore, it can be
		            // transferred to other kinds of objects for use as a method. However,
		            // it does require that any such object have a toISOString method. An
		            // object is free to use the argument key to filter its
		            // stringification.
		        };
		    }

		    // ES5 15.9.4.2
		    // https://es5.github.io/#x15.9.4.2
		    // based on work shared by Daniel Friesen (dantman)
		    // https://gist.github.com/303249
		    var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15;
		    var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z'));
		    var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z'));
		    if (doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) {
		        // XXX global assignment won't work in embeddings that use
		        // an alternate object for the context.
		        var maxSafeUnsigned32Bit = pow(2, 31) - 1;
		        var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, maxSafeUnsigned32Bit + 1).getTime());
		        // eslint-disable-next-line no-implicit-globals, no-global-assign
		        Date = (function (NativeDate) {
		            // Date.length === 7
		            var DateShim = function Date(Y, M, D, h, m, s, ms) {
		                var length = arguments.length;
		                var date;
		                if (this instanceof NativeDate) {
		                    var seconds = s;
		                    var millis = ms;
		                    if (hasSafariSignedIntBug && length >= 7 && ms > maxSafeUnsigned32Bit) {
		                        // work around a Safari 8/9 bug where it treats the seconds as signed
		                        var msToShift = floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;
		                        var sToShift = floor(msToShift / 1e3);
		                        seconds += sToShift;
		                        millis -= sToShift * 1e3;
		                    }
		                    var parsed = DateShim.parse(Y);
		                    var hasNegTimestampParseBug = isNaN(parsed);
		                    date = length === 1 && $String(Y) === Y && !hasNegTimestampParseBug // isString(Y)
		                        // We explicitly pass it through parse:
		                        ? new NativeDate(parsed)
		                        // We have to manually make calls depending on argument
		                        // length here
		                        : length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, millis)
		                            : length >= 6 ? new NativeDate(Y, M, D, h, m, seconds)
		                                : length >= 5 ? new NativeDate(Y, M, D, h, m)
		                                    : length >= 4 ? new NativeDate(Y, M, D, h)
		                                        : length >= 3 ? new NativeDate(Y, M, D)
		                                            : length >= 2 ? new NativeDate(Y, M)
		                                                : length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y)
		                                                    : new NativeDate();
		                } else {
		                    date = NativeDate.apply(this, arguments);
		                }
		                if (!isPrimitive(date)) {
		                    // Prevent mixups with unfixed Date object
		                    defineProperties(date, { constructor: DateShim }, true);
		                }
		                return date;
		            };

		            // 15.9.1.15 Date Time String Format.
		            var isoDateExpression = new RegExp('^'
		                + '(\\d{4}|[+-]\\d{6})' // four-digit year capture or sign + 6-digit extended year
		                + '(?:-(\\d{2})' // optional month capture
		                + '(?:-(\\d{2})' // optional day capture
		                + '(?:' // capture hours:minutes:seconds.milliseconds
		                    + 'T(\\d{2})' // hours capture
		                    + ':(\\d{2})' // minutes capture
		                    + '(?:' // optional :seconds.milliseconds
		                        + ':(\\d{2})' // seconds capture
		                        + '(?:(\\.\\d{1,}))?' // milliseconds capture
		                    + ')?'
		                + '(' // capture UTC offset component
		                    + 'Z|' // UTC capture
		                    + '(?:' // offset specifier +/-hours:minutes
		                        + '([-+])' // sign capture
		                        + '(\\d{2})' // hours offset capture
		                        + ':(\\d{2})' // minutes offset capture
		                    + ')'
		                + ')?)?)?)?'
		            + '$');

		            var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];

		            var dayFromMonth = function dayFromMonth(year, month) {
		                var t = month > 1 ? 1 : 0;
		                return (
		                    months[month]
		                        + floor((year - 1969 + t) / 4)
		                        - floor((year - 1901 + t) / 100)
		                        + floor((year - 1601 + t) / 400)
		                        + (365 * (year - 1970))
		                );
		            };

		            var toUTC = function toUTC(t) {
		                var s = 0;
		                var ms = t;
		                if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) {
		                    // work around a Safari 8/9 bug where it treats the seconds as signed
		                    var msToShift = floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;
		                    var sToShift = floor(msToShift / 1e3);
		                    s += sToShift;
		                    ms -= sToShift * 1e3;
		                }
		                return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms));
		            };

		            // Copy any custom methods a 3rd party library may have added
		            for (var key in NativeDate) {
		                if (owns(NativeDate, key)) {
		                    DateShim[key] = NativeDate[key];
		                }
		            }

		            // Copy "native" methods explicitly; they may be non-enumerable
		            defineProperties(DateShim, {
		                now: NativeDate.now,
		                UTC: NativeDate.UTC
		            }, true);
		            DateShim.prototype = NativeDate.prototype;
		            defineProperties(DateShim.prototype, { constructor: DateShim }, true);

		            // Upgrade Date.parse to handle simplified ISO 8601 strings
		            var parseShim = function parse(string) {
		                var match = isoDateExpression.exec(string);
		                if (match) {
		                    // parse months, days, hours, minutes, seconds, and milliseconds
		                    // provide default values if necessary
		                    // parse the UTC offset component
		                    var year = $Number(match[1]),
		                        month = $Number(match[2] || 1) - 1,
		                        day = $Number(match[3] || 1) - 1,
		                        hour = $Number(match[4] || 0),
		                        minute = $Number(match[5] || 0),
		                        second = $Number(match[6] || 0),
		                        millisecond = floor($Number(match[7] || 0) * 1000),
		                        // When time zone is missed, local offset should be used
		                        // (ES 5.1 bug)
		                        // see https://bugs.ecmascript.org/show_bug.cgi?id=112
		                        isLocalTime = Boolean(match[4] && !match[8]),
		                        signOffset = match[9] === '-' ? 1 : -1,
		                        hourOffset = $Number(match[10] || 0),
		                        minuteOffset = $Number(match[11] || 0),
		                        result;
		                    var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0;
		                    if (
		                        hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25)
		                        && minute < 60 && second < 60 && millisecond < 1000
		                        && month > -1 && month < 12 && hourOffset < 24
		                        && minuteOffset < 60 // detect invalid offsets
		                        && day > -1
		                        && day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month))
		                    ) {
		                        result = (
		                            ((dayFromMonth(year, month) + day) * 24)
		                            + hour
		                            + (hourOffset * signOffset)
		                        ) * 60;
		                        result = ((
		                            ((result + minute + (minuteOffset * signOffset)) * 60)
		                            + second
		                        ) * 1000) + millisecond;
		                        if (isLocalTime) {
		                            result = toUTC(result);
		                        }
		                        if (-864e13 <= result && result <= 8.64e15) {
		                            return result;
		                        }
		                    }
		                    return NaN;
		                }
		                return NativeDate.parse.apply(this, arguments);
		            };
		            defineProperties(DateShim, { parse: parseShim });

		            return DateShim;
		        }(Date));
		    }

		    // ES5 15.9.4.4
		    // https://es5.github.io/#x15.9.4.4
		    if (!Date.now) {
		        Date.now = function now() {
		            return new Date().getTime();
		        };
		    }

		    //
		    // Number
		    // ======
		    //

		    // ES5.1 15.7.4.5
		    // https://es5.github.io/#x15.7.4.5
		    var hasToFixedBugs = NumberPrototype.toFixed && (
		        (0.00008).toFixed(3) !== '0.000'
		        || (0.9).toFixed(0) !== '1'
		        || (1.255).toFixed(2) !== '1.25'
		        || (1000000000000000128).toFixed(0) !== '1000000000000000128'
		    );

		    var toFixedHelpers = {
		        base: 1e7,
		        size: 6,
		        data: [0, 0, 0, 0, 0, 0],
		        multiply: function multiply(n, c) {
		            var i = -1;
		            var c2 = c;
		            while (++i < toFixedHelpers.size) {
		                c2 += n * toFixedHelpers.data[i];
		                toFixedHelpers.data[i] = c2 % toFixedHelpers.base;
		                c2 = floor(c2 / toFixedHelpers.base);
		            }
		        },
		        divide: function divide(n) {
		            var i = toFixedHelpers.size;
		            var c = 0;
		            while (--i >= 0) {
		                c += toFixedHelpers.data[i];
		                toFixedHelpers.data[i] = floor(c / n);
		                c = (c % n) * toFixedHelpers.base;
		            }
		        },
		        numToString: function numToString() {
		            var i = toFixedHelpers.size;
		            var s = '';
		            while (--i >= 0) {
		                if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {
		                    var t = $String(toFixedHelpers.data[i]);
		                    if (s === '') {
		                        s = t;
		                    } else {
		                        s += strSlice('0000000', 0, 7 - t.length) + t;
		                    }
		                }
		            }
		            return s;
		        },
		        pow: function pow(x, n, acc) {
		            return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc)));
		        },
		        log: function log(x) {
		            var n = 0;
		            var x2 = x;
		            while (x2 >= 4096) {
		                n += 12;
		                x2 /= 4096;
		            }
		            while (x2 >= 2) {
		                n += 1;
		                x2 /= 2;
		            }
		            return n;
		        }
		    };

		    var toFixedShim = function toFixed(fractionDigits) {
		        var f, x, s, m, e, z, j, k;

		        // Test for NaN and round fractionDigits down
		        f = $Number(fractionDigits);
		        f = isActualNaN(f) ? 0 : floor(f);

		        if (f < 0 || f > 20) {
		            throw new RangeError('Number.toFixed called with invalid number of decimals');
		        }

		        x = $Number(this);

		        if (isActualNaN(x)) {
		            return 'NaN';
		        }

		        // If it is too big or small, return the string value of the number
		        if (x <= -1e21 || x >= 1e21) {
		            return $String(x);
		        }

		        s = '';

		        if (x < 0) {
		            s = '-';
		            x = -x;
		        }

		        m = '0';

		        if (x > 1e-21) {
		            // 1e-21 < x < 1e21
		            // -70 < log2(x) < 70
		            e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69;
		            z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1));
		            z *= 0x10000000000000; // pow(2, 52);
		            e = 52 - e;

		            // -18 < e < 122
		            // x = z / 2 ^ e
		            if (e > 0) {
		                toFixedHelpers.multiply(0, z);
		                j = f;

		                while (j >= 7) {
		                    toFixedHelpers.multiply(1e7, 0);
		                    j -= 7;
		                }

		                toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
		                j = e - 1;

		                while (j >= 23) {
		                    toFixedHelpers.divide(1 << 23);
		                    j -= 23;
		                }

		                toFixedHelpers.divide(1 << j);
		                toFixedHelpers.multiply(1, 1);
		                toFixedHelpers.divide(2);
		                m = toFixedHelpers.numToString();
		            } else {
		                toFixedHelpers.multiply(0, z);
		                toFixedHelpers.multiply(1 << (-e), 0);
		                m = toFixedHelpers.numToString() + strSlice('0.00000000000000000000', 2, 2 + f);
		            }
		        }

		        if (f > 0) {
		            k = m.length;

		            if (k <= f) {
		                m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m;
		            } else {
		                m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f);
		            }
		        } else {
		            m = s + m;
		        }

		        return m;
		    };
		    defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs);

		    var hasToExponentialRoundingBug = (function () {
		        try {
		            return (-6.9e-11).toExponential(4) !== '-6.9000e-11';
		        } catch (e) {
		            return false;
		        }
		    }());
		    var toExponentialAllowsInfiniteDigits = (function () {
		        try {
		            (1).toExponential(Infinity);
		            (1).toExponential(-Infinity);
		            return true;
		        } catch (e) {
		            return false;
		        }
		    }());
		    var originalToExponential = call.bind(NumberPrototype.toExponential);
		    var numberToString = call.bind(NumberPrototype.toString);
		    var numberValueOf = call.bind(NumberPrototype.valueOf);
		    defineProperties(NumberPrototype, {
		        toExponential: function toExponential(fractionDigits) {
		            // 1: Let x be this Number value.
		            var x = numberValueOf(this);

		            if (typeof fractionDigits === 'undefined') {
		                return originalToExponential(x);
		            }
		            var f = ES.ToInteger(fractionDigits);
		            if (isActualNaN(x)) {
		                return 'NaN';
		            }

		            if (f < 0 || f > 20) {
		                if (!isFinite(f)) {
		                    // IE 6 doesn't throw in the native one
		                    throw new RangeError('toExponential() argument must be between 0 and 20');
		                }
		                // this will probably have thrown already
		                return originalToExponential(x, f);
		            }

		            // only cases left are a finite receiver + in-range fractionDigits

		            // implementation adapted from https://gist.github.com/SheetJSDev/1100ad56b9f856c95299ed0e068eea08

		            // 4: Let s be the empty string
		            var s = '';

		            // 5: If x < 0
		            if (x < 0) {
		                s = '-';
		                x = -x;
		            }

		            // 6: If x = +Infinity
		            if (x === Infinity) {
		                return s + 'Infinity';
		            }

		            // 7: If fractionDigits is not undefined and (f < 0 or f > 20), throw a RangeError exception.
		            if (typeof fractionDigits !== 'undefined' && (f < 0 || f > 20)) {
		                throw new RangeError('Fraction digits ' + fractionDigits + ' out of range');
		            }

		            var m = '';
		            var e = 0;
		            var c = '';
		            var d = '';

		            // 8: If x = 0 then
		            if (x === 0) {
		                e = 0;
		                f = 0;
		                m = '0';
		            } else { // 9: Else, x != 0
		                var L = log10(x);
		                e = floor(L); // 10 ** e <= x and x < 10 ** (e+1)
		                var n = 0;
		                if (typeof fractionDigits !== 'undefined') { // eslint-disable-line no-negated-condition
		                    var w = pow(10, e - f); // x / 10 ** (f+1) < w and w <= x / 10 ** f
		                    n = round(x / w); // 10 ** f <= n and n < 10 ** (f+1)
		                    if (2 * x >= (((2 * n) + 1) * w)) {
		                        n += 1; // pick larger value
		                    }
		                    if (n >= pow(10, f + 1)) { // 10e-1 = 1e0
		                        n /= 10;
		                        e += 1;
		                    }
		                } else {
		                    f = 16; // start from Math.ceil(Math.log10(Number.MAX_SAFE_INTEGER)) and loop down
		                    var guess_n = round(pow(10, L - e + f));
		                    var target_f = f;
		                    while (f-- > 0) {
		                        guess_n = round(pow(10, L - e + f));
		                        if (
		                            abs((guess_n * pow(10, e - f)) - x)
		                            <= abs((n * pow(10, e - target_f)) - x)
		                        ) {
		                            target_f = f;
		                            n = guess_n;
		                        }
		                    }
		                }
		                m = numberToString(n, 10);
		                if (typeof fractionDigits === 'undefined') {
		                    while (strSlice(m, -1) === '0') {
		                        m = strSlice(m, 0, -1);
		                        d += 1;
		                    }
		                }
		            }

		            // 10: If f != 0, then
		            if (f !== 0) {
		                m = strSlice(m, 0, 1) + '.' + strSlice(m, 1);
		            }

		            // 11: If e = 0, then
		            if (e === 0) {
		                c = '+';
		                d = '0';
		            } else { // 12: Else
		                c = e > 0 ? '+' : '-';
		                d = numberToString(abs(e), 10);
		            }

		            // 13: Let m be the concatenation of the four Strings m, "e", c, and d.
		            m += 'e' + c + d;

		            // 14: Return the concatenation of the Strings s and m.
		            return s + m;
		        }
		    }, hasToExponentialRoundingBug || toExponentialAllowsInfiniteDigits);

		    var hasToPrecisionUndefinedBug = (function () {
		        try {
		            return 1.0.toPrecision(undefined) === '1';
		        } catch (e) {
		            return true;
		        }
		    }());
		    var originalToPrecision = call.bind(NumberPrototype.toPrecision);
		    defineProperties(NumberPrototype, {
		        toPrecision: function toPrecision(precision) {
		            return typeof precision === 'undefined' ? originalToPrecision(this) : originalToPrecision(this, precision);
		        }
		    }, hasToPrecisionUndefinedBug);

		    //
		    // String
		    // ======
		    //

		    // ES5 15.5.4.14
		    // https://es5.github.io/#x15.5.4.14

		    // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
		    // Many browsers do not split properly with regular expressions or they
		    // do not perform the split correctly under obscure conditions.
		    // See https://blog.stevenlevithan.com/archives/cross-browser-split
		    // I've tested in many browsers and this seems to cover the deviant ones:
		    //    'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
		    //    '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
		    //    'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
		    //       [undefined, "t", undefined, "e", ...]
		    //    ''.split(/.?/) should be [], not [""]
		    //    '.'.split(/()()/) should be ["."], not ["", "", "."]

		    if (
		        'ab'.split(/(?:ab)*/).length !== 2
		        || '.'.split(/(.?)(.?)/).length !== 4
		        || 'tesst'.split(/(s)*/)[1] === 't'
		        || 'test'.split(/(?:)/, -1).length !== 4
		        || ''.split(/.?/).length
		        || '.'.split(/()()/).length > 1
		    ) {
		        (function () {
		            var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group
		            var maxSafe32BitInt = pow(2, 32) - 1;

		            StringPrototype.split = function split(separator, limit) {
		                var string = String(this);
		                if (typeof separator === 'undefined' && limit === 0) {
		                    return [];
		                }

		                // If `separator` is not a regex, use native split
		                if (!isRegex(separator)) {
		                    return strSplit(this, separator, limit);
		                }

		                var output = [];
		                var flags = (separator.ignoreCase ? 'i' : '')
		                            + (separator.multiline ? 'm' : '')
		                            + (separator.unicode ? 'u' : '') // in ES6
		                            + (separator.sticky ? 'y' : ''), // Firefox 3+ and ES6
		                    lastLastIndex = 0,
		                    // Make `global` and avoid `lastIndex` issues by working with a copy
		                    separator2, match, lastIndex, lastLength;
		                var separatorCopy = new RegExp(separator.source, flags + 'g');
		                if (!compliantExecNpcg) {
		                    // Doesn't need flags gy, but they don't hurt
		                    separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags);
		                }
		                /* Values for `limit`, per the spec:
		                 * If undefined: 4294967295 // maxSafe32BitInt
		                 * If 0, Infinity, or NaN: 0
		                 * If positive number: limit = floor(limit); if (limit > 4294967295) limit -= 4294967296;
		                 * If negative number: 4294967296 - floor(abs(limit))
		                 * If other: Type-convert, then use the above rules
		                 */
		                var splitLimit = typeof limit === 'undefined' ? maxSafe32BitInt : ES.ToUint32(limit);
		                match = separatorCopy.exec(string);
		                while (match) {
		                    // `separatorCopy.lastIndex` is not reliable cross-browser
		                    lastIndex = match.index + match[0].length;
		                    if (lastIndex > lastLastIndex) {
		                        pushCall(output, strSlice(string, lastLastIndex, match.index));
		                        // Fix browsers whose `exec` methods don't consistently return `undefined` for
		                        // nonparticipating capturing groups
		                        if (!compliantExecNpcg && match.length > 1) {
		                            /* eslint-disable no-loop-func */
		                            match[0].replace(separator2, function () {
		                                for (var i = 1; i < arguments.length - 2; i++) {
		                                    if (typeof arguments[i] === 'undefined') {
		                                        match[i] = void 0;
		                                    }
		                                }
		                            });
		                            /* eslint-enable no-loop-func */
		                        }
		                        if (match.length > 1 && match.index < string.length) {
		                            array_push.apply(output, arraySlice(match, 1));
		                        }
		                        lastLength = match[0].length;
		                        lastLastIndex = lastIndex;
		                        if (output.length >= splitLimit) {
		                            break;
		                        }
		                    }
		                    if (separatorCopy.lastIndex === match.index) {
		                        separatorCopy.lastIndex++; // Avoid an infinite loop
		                    }
		                    match = separatorCopy.exec(string);
		                }
		                if (lastLastIndex === string.length) {
		                    if (lastLength || !separatorCopy.test('')) {
		                        pushCall(output, '');
		                    }
		                } else {
		                    pushCall(output, strSlice(string, lastLastIndex));
		                }
		                return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output;
		            };
		        }());

		    // [bugfix, chrome]
		    // If separator is undefined, then the result array contains just one String,
		    // which is the this value (converted to a String). If limit is not undefined,
		    // then the output array is truncated so that it contains no more than limit
		    // elements.
		    // "0".split(undefined, 0) -> []
		    } else if ('0'.split(void 0, 0).length) {
		        StringPrototype.split = function split(separator, limit) {
		            if (typeof separator === 'undefined' && limit === 0) {
		                return [];
		            }
		            return strSplit(this, separator, limit);
		        };
		    }

		    var str_replace = StringPrototype.replace;
		    var replaceReportsGroupsCorrectly = (function () {
		        var groups = [];
		        'x'.replace(/x(.)?/g, function (match, group) {
		            pushCall(groups, group);
		        });
		        return groups.length === 1 && typeof groups[0] === 'undefined';
		    }());

		    if (!replaceReportsGroupsCorrectly) {
		        StringPrototype.replace = function replace(searchValue, replaceValue) {
		            var isFn = isCallable(replaceValue);
		            var hasCapturingGroups = isRegex(searchValue) && (/\)[*?]/).test(searchValue.source);
		            if (!isFn || !hasCapturingGroups) {
		                return str_replace.call(this, searchValue, replaceValue);
		            }
		            var wrappedReplaceValue = function (match) {
		                var length = arguments.length;
		                var originalLastIndex = searchValue.lastIndex;
		                searchValue.lastIndex = 0; // eslint-disable-line no-param-reassign
		                var args = searchValue.exec(match) || [];
		                searchValue.lastIndex = originalLastIndex; // eslint-disable-line no-param-reassign
		                pushCall(args, arguments[length - 2], arguments[length - 1]);
		                return replaceValue.apply(this, args);
		            };
		            return str_replace.call(this, searchValue, wrappedReplaceValue);

		        };
		    }

		    // ECMA-262, 3rd B.2.3
		    // Not an ECMAScript standard, although ECMAScript 3rd Edition has a
		    // non-normative section suggesting uniform semantics and it should be
		    // normalized across all browsers
		    // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
		    var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
		    var string_substr = hasNegativeSubstrBug && call.bind(StringPrototype.substr);
		    defineProperties(StringPrototype, {
		        substr: function substr(start, length) {
		            var normalizedStart = start;
		            if (start < 0) {
		                normalizedStart = max(this.length + start, 0);
		            }
		            return string_substr(this, normalizedStart, length);
		        }
		    }, hasNegativeSubstrBug);

		    // ES5 15.5.4.20
		    // whitespace from: https://es5.github.io/#x15.5.4.20
		    var mvs = '\u180E';
		    var mvsIsWS = (/\s/).test(mvs);
		    var ws = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF'
		        .replace(/\S/g, ''); // remove the mongolian vowel separator (\u180E) in modern engines
		    var zeroWidth = '\u200b';
		    var wsRegexChars = '[' + ws + ']';
		    var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*');
		    var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$');
		    var hasTrimWhitespaceBug = StringPrototype.trim && (
		        ws.trim() !== '' // if ws is not considered whitespace
		        || zeroWidth.trim() === '' // if zero-width IS considered whitespace
		        || mvs.trim() !== (mvsIsWS ? '' : mvs) // if MVS is either wrongly considered whitespace, or, wrongly considered NOT whitespace
		    );
		    defineProperties(StringPrototype, {
		        // https://blog.stevenlevithan.com/archives/faster-trim-javascript
		        // http://perfectionkills.com/whitespace-deviations/
		        trim: function trim() {

		            if (typeof this === 'undefined' || this === null) {
		                throw new TypeError("can't convert " + this + ' to object');
		            }
		            return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
		        }
		    }, hasTrimWhitespaceBug);
		    var trim = call.bind(String.prototype.trim);

		    var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcあい'.lastIndexOf('あい', 2) !== -1;
		    defineProperties(StringPrototype, {
		        lastIndexOf: function lastIndexOf(searchString) {
		            if (typeof this === 'undefined' || this === null) {
		                throw new TypeError("can't convert " + this + ' to object');
		            }
		            var S = $String(this);
		            var searchStr = $String(searchString);
		            var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN;
		            var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos);
		            var start = min(max(pos, 0), S.length);
		            var searchLen = searchStr.length;
		            var k = start + searchLen;
		            while (k > 0) {
		                k = max(0, k - searchLen);
		                var index = strIndexOf(strSlice(S, k, start + searchLen), searchStr);
		                if (index !== -1) {
		                    return k + index;
		                }
		            }
		            return -1;
		        }
		    }, hasLastIndexBug);

		    var originalLastIndexOf = StringPrototype.lastIndexOf;
		    defineProperties(StringPrototype, {
		        lastIndexOf: function lastIndexOf(searchString) {
		            return originalLastIndexOf.apply(this, arguments);
		        }
		    }, StringPrototype.lastIndexOf.length !== 1);

		    var hexRegex = /^[-+]?0[xX]/;

		    // ES-5 15.1.2.2
		    if (
		        parseInt(ws + '08') !== 8 // eslint-disable-line radix
		        || parseInt(ws + '0x16') !== 22 // eslint-disable-line radix
		        || (mvsIsWS ? parseInt(mvs + 1) !== 1 : !isNaN(parseInt(mvs + 1))) // eslint-disable-line radix
		    ) {
		        // eslint-disable-next-line no-global-assign, no-implicit-globals
		        parseInt = (function (origParseInt) {
		            return function parseInt(str, radix) {
		                var string = trim(String(str));
		                var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10);
		                return origParseInt(string, defaultedRadix);
		            };
		        }(parseInt));
		    }
		    // Edge 15-18
		    var parseIntFailsToThrowOnBoxedSymbols = (function () {
		        if (typeof Symbol !== 'function') {
		            return false;
		        }
		        try {
		            // eslint-disable-next-line radix
		            parseInt(Object(Symbol.iterator));
		            return true;
		        } catch (e) { /**/ }

		        try {
		            // eslint-disable-next-line radix
		            parseInt(Symbol.iterator);
		            return true;
		        } catch (e) { /**/ }

		        return false;
		    }());
		    if (parseIntFailsToThrowOnBoxedSymbols) {
		        var symbolValueOf = Symbol.prototype.valueOf;
		        // eslint-disable-next-line no-global-assign, no-implicit-globals
		        parseInt = (function (origParseInt) {
		            return function parseInt(str, radix) {
		                var isSym = typeof str === 'symbol';
		                if (!isSym && str && typeof str === 'object') {
		                    try {
		                        symbolValueOf.call(str);
		                        isSym = true;
		                    } catch (e) { /**/ }
		                }
		                if (isSym) {
		                    // handle Symbols in node 8.3/8.4
		                    // eslint-disable-next-line no-implicit-coercion, no-unused-expressions
		                    '' + str; // jscs:ignore disallowImplicitTypeConversion
		                }
		                var string = trim(String(str));
		                var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10);
		                return origParseInt(string, defaultedRadix);
		            };
		        }(parseInt));
		    }

		    // https://es5.github.io/#x15.1.2.3
		    if (1 / parseFloat('-0') !== -Infinity) {
		        // eslint-disable-next-line no-global-assign, no-implicit-globals, no-native-reassign
		        parseFloat = (function (origParseFloat) {
		            return function parseFloat(string) {
		                var inputString = trim(String(string));
		                var result = origParseFloat(inputString);
		                return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result;
		            };
		        }(parseFloat));
		    }

		    if (String(new RangeError('test')) !== 'RangeError: test') {
		        var errorToStringShim = function toString() {
		            if (typeof this === 'undefined' || this === null) {
		                throw new TypeError("can't convert " + this + ' to object');
		            }
		            var name = this.name;
		            if (typeof name === 'undefined') {
		                name = 'Error';
		            } else if (typeof name !== 'string') {
		                name = $String(name);
		            }
		            var msg = this.message;
		            if (typeof msg === 'undefined') {
		                msg = '';
		            } else if (typeof msg !== 'string') {
		                msg = $String(msg);
		            }
		            if (!name) {
		                return msg;
		            }
		            if (!msg) {
		                return name;
		            }
		            return name + ': ' + msg;
		        };
		        // can't use defineProperties here because of toString enumeration issue in IE <= 8
		        Error.prototype.toString = errorToStringShim;
		    }

		    if (supportsDescriptors) {
		        var ensureNonEnumerable = function (obj, prop) {
		            if (isEnum(obj, prop)) {
		                var desc = Object.getOwnPropertyDescriptor(obj, prop);
		                if (desc.configurable) {
		                    desc.enumerable = false;
		                    Object.defineProperty(obj, prop, desc);
		                }
		            }
		        };
		        ensureNonEnumerable(Error.prototype, 'message');
		        if (Error.prototype.message !== '') {
		            Error.prototype.message = '';
		        }
		        ensureNonEnumerable(Error.prototype, 'name');
		    }

		    if (String(/a/mig) !== '/a/gim') {
		        var regexToString = function toString() {
		            var str = '/' + this.source + '/';
		            if (this.global) {
		                str += 'g';
		            }
		            if (this.ignoreCase) {
		                str += 'i';
		            }
		            if (this.multiline) {
		                str += 'm';
		            }
		            return str;
		        };
		        // can't use defineProperties here because of toString enumeration issue in IE <= 8
		        RegExp.prototype.toString = regexToString;
		    }
		})); 
	} (es5Shim$1));
	return es5Shim$1.exports;
}

requireEs5Shim();
